diff --git a/core/Bitstring.cc b/core/Bitstring.cc
index 5bc0e6618067d20867de8fc34ac0f22b43f83331..cf4cede0555df84c6cb01bf752b8702dddd3edc6 100644
--- a/core/Bitstring.cc
+++ b/core/Bitstring.cc
@@ -567,12 +567,7 @@ void BITSTRING::log() const
 INTEGER BITSTRING::convert_to_Integer(const TTCN_Typedescriptor_t& p_td)
 {
   TTCN_EncDec_ErrorContext ec("While converting to integer type '%s': ", p_td.name);
-  TTCN_Buffer ttcn_buf;
-  encode(p_td, ttcn_buf, TTCN_EncDec::CT_RAW, 0);
-  raw_order_t order = p_td.raw->top_bit_order == TOP_BIT_LEFT ? ORDER_LSB : ORDER_MSB;
-  INTEGER integer;
-  integer.RAW_decode(p_td, ttcn_buf, ttcn_buf.get_len() * 8, order);
-  return integer;
+  return bit2int(*this);
 }
 
 void BITSTRING::set_param(Module_Param& param) {